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Single Power Supply Module / Dual Power Feeds; Dual Power Supply Modules / Dual Power Feeds - ADTRAN MX2800 M13 User Manual

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MX2800 M13 Multiplexer User Manual

Single Power Supply Module / Dual Power Feeds

When the MX2800 is equipped with only a single Power Supply module, there is no protection against a
failure of the module itself. However, the single Power Supply is capable of utilizing the
feeds to protect against a failure in one of the power sources feeding the shelf. To verify that the MX2800
is properly utilizing the
1. With the MX2800 installed and operating normally, go to the fuse panel at the top of the bay and
remove the fuse corresponding to the
have no effect on the operation of the shelf because the MX2800 is operating on the
2. Reinsert the fuse for the
3. Now, remove the
B
the operation of the shelf because the MX2800 is operating on the
4. Reinsert the fuse for the

Dual Power Supply Modules / Dual Power Feeds

When the MX2800 is equipped with two Power Supply modules and also wired to support dual power
feeds, the shelf is protected against a failure of either of the Power Supply cards or a failure of one of the
power sources feeding the shelf. Use the following procedure to confirm the operation of this fully redun-
dant configuration:
1. With the MX2800 installed and operating normally, remove the
left). Removing this card should have no effect on the operation of the shelf because the MX2800 is
operating on the
B
2. Go to the fuse panel at the top of the bay and remove the fuse corresponding to the
Removing this fuse should have no effect on the operation of the shelf because the
running on the
power feed.
B
3. Reinsert the fuse for the
4. Remove the fuse corresponding to the
operation of the shelf as the
5. Reinsert the fuse for the
6. Reinsert the
Power Supply into the MX2800 chassis.
A
7. Remove the
Power Supply card (the one on the right). Doing so should have no effect on the
B
operation of the shelf because the MX2800 is operating on the
8. Go to the fuse panel at the top of the bay and remove the fuse corresponding to the
Removing this fuse should have no effect on the operation of the shelf because the
now running on the
9. Reinsert the fuse for the
10. Remove the fuse corresponding to the
effect on the operation of the shelf as the
11. Reinsert the fuse for the
12. Reinsert the
Power Supply into the MX2800 chassis.
B
61200290L1-1G
and
power feeds, the following procedure is recommended:
A
B
power feed for the MX2800 shelf. Removing this fuse should
A
power feed.
A
power feed fuse for the MX2800 shelf. Once again, there should be no effect on
power feed.
B
Power Supply.
power feed.
A
power feed to the shelf. Doing so should have no effect on the
B
Power Supply is operating on the
B
power feed.
B
power feed.
B
power feed.
A
power feed to the shelf. Removing this fuse should have no
B
A
power feed.
B
Acceptance Test Procedure, Appendix A
A
Power Supply card (the one on the
A
power feed.
A
Power Supply.
A
Power Supply is operating on the
and
A
B
power feed.
B
power feed.
power feed.
A
Power Supply is
B
power feed.
A
Power Supply is
A
power feed.
A
power
A-9

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